June 1939. England is partying like there is no tomorrow, gas masks at the ready. But the good times won't last. In Germany an atomic device is now possible. The German High Command knows Cambridge's Cavendish Laboratory is also close; they must discover its secrets before it is safe to wage war . When one of Cavendish's finest brains is murdered, Professor Tom Wilde is once more drawn into the investigation ...
A gripping spy thriller for fans of Robert Harris.